UKOR, D. O. AN INVESTIGATION INTO SOCIAL STUDIES STUDENTS’ PERFORMANCE AND RETENTION USING BLENDED LEARNING IN UPPER BASIC EDUCATION LEVEL SCHOOLS IN DELTA STATE. Journal of Guidance and Counselling Studies, [S. l.], v. 7, n. 1, p. 141–156, 2023. Disponível em: https://journals.unizik.edu.ng/jgcs/article/view/2806. Acesso em: 3 jul. 2024.